Heat is added to 0.5kg of water at 20 degrees celcius. How many joules of heat energy are required to change the water to steam at 110 degrees celcius?

explanation: magnetic pole, region at each end of a magnet where the external magnetic field is strongest. the south-seeking pole, or any pole similar to it, is called a south magnetic pole. unlike poles of different magnets attract each other; like poles repel each other.

option number c is the right answer.